I was gonna start getting into Naruto so checked out a random anime episode... it had talking slug things and frogs... cant fuck with it

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it's actually really good...I assume you are talking about the summoning techniques

The Slug thing is Lady Tsunade's summon, She is a medical ninja and her slug helps heal

The Frogs practice Sage' technique which uses Natural energy instead of your own. Jariya, the 4th and Naruto all learned it but Naruto is the only one to perfect the technique. This technique is very powerful and requires the user to have a lot of chakra(energy) to use.

The Tailed beast also can talk which are large, powerful chakra monsters that are stored inside random ninjas to prevent them from running around destroying things. Each villaged seems to seek control of one host to use as a weapon. Naruto had the 9-tailed beast stored in him. The hosts can draw on these monster's chakra and to use as their own but drawing too much without being able to control the beast can cause the beast to break free.

If an animal talks, it is either because of a summoning technique or it being a tailed beast because random animals don't just talk in the series. If they talk, they have a purpose.